为降低血清用量,设计了简单的连续微量进样装置,每次进样量可准确控制在250~300μL,即提高试液利用率6~8倍。用微量进样原子吸收法对混合血清中Ca,Mg,Cu的含量进行了重复测定,求出测定的相对标准偏差分别为:4.5%(Ca),3.2%(Mg),5.8%(C...为降低血清用量,设计了简单的连续微量进样装置,每次进样量可准确控制在250~300μL,即提高试液利用率6~8倍。用微量进样原子吸收法对混合血清中Ca,Mg,Cu的含量进行了重复测定,求出测定的相对标准偏差分别为:4.5%(Ca),3.2%(Mg),5.8%(Cu),可完全满足测定要求。用此方法测定了无其他疾病单纯高血脂患者和正常人血清中Ca,Mg,Cu的含量,并用u检验,Kruskal and Wallis法及扩大的t检验对测定数据进行了统计分析,结果表明,高血脂患者与正常人对比,血清中Ca含量无差别;Mg含量较高;Cu含量较低,且TG值越高,血清Cu含量越低。此结果可为医学科研和临床提供参考。展开更多
Carboxymethylchitosan(CMCTS)-Poly(ethylene glycol) bisglycidyl ether(PEGB) microspheres(CMCP) is prepared and characterized . The CMCP microspheres is made by crosslinking CMC with crosslinking agent poly(ethylene gly...Carboxymethylchitosan(CMCTS)-Poly(ethylene glycol) bisglycidyl ether(PEGB) microspheres(CMCP) is prepared and characterized . The CMCP microspheres is made by crosslinking CMC with crosslinking agent poly(ethylene glycol) bisglycidyl ether through electrostatic droplet generator. The characteristics of the microsphere are evaluated by Fourier-transformed infrared(FTIR) spectroscopy, X-ray photoelectron spectroscopy,differential scanning calorimetry and scanning electron microscopy. CMCTS crosslink with PEGB through–NH2 group. The title microspheres could be used as adsorbent for blood purification.展开更多
文摘为降低血清用量,设计了简单的连续微量进样装置,每次进样量可准确控制在250~300μL,即提高试液利用率6~8倍。用微量进样原子吸收法对混合血清中Ca,Mg,Cu的含量进行了重复测定,求出测定的相对标准偏差分别为:4.5%(Ca),3.2%(Mg),5.8%(Cu),可完全满足测定要求。用此方法测定了无其他疾病单纯高血脂患者和正常人血清中Ca,Mg,Cu的含量,并用u检验,Kruskal and Wallis法及扩大的t检验对测定数据进行了统计分析,结果表明,高血脂患者与正常人对比,血清中Ca含量无差别;Mg含量较高;Cu含量较低,且TG值越高,血清Cu含量越低。此结果可为医学科研和临床提供参考。
文摘Carboxymethylchitosan(CMCTS)-Poly(ethylene glycol) bisglycidyl ether(PEGB) microspheres(CMCP) is prepared and characterized . The CMCP microspheres is made by crosslinking CMC with crosslinking agent poly(ethylene glycol) bisglycidyl ether through electrostatic droplet generator. The characteristics of the microsphere are evaluated by Fourier-transformed infrared(FTIR) spectroscopy, X-ray photoelectron spectroscopy,differential scanning calorimetry and scanning electron microscopy. CMCTS crosslink with PEGB through–NH2 group. The title microspheres could be used as adsorbent for blood purification.